dev-haskell/text: drop integer-simple to automagic state

We don't provide integer-gmp on ia64 yet:
    http://bugs.gentoo.org/482956

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>
synced keywords from gentoo-x86

Signed-off-by: Sergei Trofimovich <slyfox@gentoo.org>